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GalinKa [24]
4 years ago
7

Type in the number that should go in the blank. Use a slash (/) to show a fraction.

Mathematics
1 answer:
Inessa [10]4 years ago
8 0

Answer:

32 people  people came in blue cars.

6 people came in red cars.

Step-by-step explanation:

Here, the given total number of people in the group = 48

Number of people who came in blue cars = Two - thirds

Now, Two - thirds of 48 = \frac{2}{3}  \times 48 = 32

So, total 32 people out of total 48 people came in blue cars.

Number of people who came in red cars = One- eighth

Now, One- eighth  of 48 = \frac{1}{8}  \times 48 = 6

So, total 6 people out of total 48 people came in red cars.

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What number should be added to both sides to complete the square? x^2 + 8x = 4
son4ous [18]

Answer:

16

Step-by-step explanation:

x² + 8x = 4 ⇔ x² + 8x + 16 = 4 + 16 ⇔ x² + 2×4x + 4² = 20 ⇔ (x + 4)² = (2√5)²

Remark : (2√5)² = 20

8 0
3 years ago
2<br>If A=<br>4 3<br>find A1 using<br>elementary row operations.​
MA_775_DIABLO [31]

Answer:   A^{-1}=\left[\begin{array}{cc}\frac{3}{2}&-\frac{1}{2}\\-2&1\end{array}\right]

<u>Step-by-step explanation:</u>

                  \left[\begin{array}{cc}2&1\\4&3\end{array}\right]=\left[\begin{array}{cc}1&0\\0&1\end{array}\right]

\dfrac{1}{2}Row\ 1\rightarrow\left[\begin{array}{cc}1&\frac{1}{2}\\4&3\end{array}\right]=\left[\begin{array}{cc}\frac{1}{2}&0\\0&1\end{array}\right]

Row\ 2 -4 \ Row\ 1\rightarrow \left[\begin{array}{cc}1&\frac{1}{2}\\0&1\end{array}\right]=\left[\begin{array}{cc}\frac{1}{2}&0\\-2&1\end{array}\right]

Row\ 1-\dfrac{1}{2}\ Row\ 2 \rightarrow \left[\begin{array}{cc}1&0\\0&1\end{array}\right]=\left[\begin{array}{cc}\frac{3}{2}&-\frac{1}{2}\\-2&1\end{array}\right]

5 0
4 years ago
26 555 355 + 24 653 456 <br><br><br> :3
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Answer: The answer is 51,208,811

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7 0
3 years ago
Geometry! Please help!
Leona [35]
The height of the trapezoid is 3cm. Let me know if you would like an explanation!
6 0
3 years ago
Read 2 more answers
This circle is centered at the origin, and the length of it’s radius is 4. What is the equation of the circle?
ArbitrLikvidat [17]

Answer:

The circle is centered at the origin (0,0).

The length of it’s radius is 5.

The equation of the circle is

→(x-0)²+(y-0)²=5²

→<u>x²+y²=25</u>

7 0
3 years ago
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